A driver circuit or controller flexibly drives either a half-bridge or a full-bridge switching network in a backlight inverter without modification, redundant circuitry or additional components. The driver circuit includes four outputs to provide four respective driving signals that establish a periodic...http://www.google.de/patents/US7112929?utm_source=gb-gplus-sharePatent US7112929 - Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system
